Which of the following is NOT true of acne?
A) It can be treated by eliminating fatty foods from the diet.
B) It is often due to the action of Propionibacterium.
C) Drugs that inhibit sebum formation are useful in treating inflammatory acne.
D) Mild cases are treated with topical agents.
E) Antibiotics may be prescribed for moderate cases.
A
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In your garden you decide to plant potatoes. You watch the above-ground development of your plant and decide to categorize the growth into four main stages:
1. The initial development of the stem and leaves (shoot) 2. The development of flowers and general growth of the shoot 3. A vegetative period where not much growth seems to be happening 4. The harvest of your potato crop (digging up the tubers formed near the base of the stem) In stage 2, which is a bigger "sink" for phloem flow? A. development of flowers B. growth of the shoot C. There is insufficient information to answer the question.
Explain how IS elements produce target-site duplications when they move
What will be an ideal response?
In a lipid bilayer, __________ fatty acid tails face each other within the bilayer and form a region that excludes water
a. hypertonic b. hyperosmotic c. hypotonic d. hydrophilic e. hydrophobic
When the female silkworm moth is ready to mate, she:
a. finds males by following the chemical signals they emit. b. releases a potent chemical into the air. c. creates a series of sounds recognizable by the male silkworm moth. d. lifts her wings to reveal the mating pattern underneath. e. performs a nuptial dance.